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242358813 = 32191417303
BaseRepresentation
bin11100111001000…
…01101000011101
3121220001002210100
432130201220131
5444020440223
640014331313
76002005314
oct1634415035
9556032710
10242358813
11114894844
12691b9b39
133b2986a8
142428b27b
1516425043
hexe721a1d

242358813 has 12 divisors (see below), whose sum is σ = 368499040. Its totient is φ = 153068616.

The previous prime is 242358791. The next prime is 242358827. The reversal of 242358813 is 318853242.

242358813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242358813 - 221 = 240261661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242358113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708481 + ... + 708822.

Almost surely, 2242358813 is an apocalyptic number.

It is an amenable number.

242358813 is a deficient number, since it is larger than the sum of its proper divisors (126140227).

242358813 is a wasteful number, since it uses less digits than its factorization.

242358813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417328 (or 1417325 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 242358813 is about 15567.8776010091. The cubic root of 242358813 is about 623.4758063824.

The spelling of 242358813 in words is "two hundred forty-two million, three hundred fifty-eight thousand, eight hundred thirteen".

Divisors: 1 3 9 19 57 171 1417303 4251909 12755727 26928757 80786271 242358813